At that moment,l saw the doctor was busy__his work.a.to dob.withc.didd.for

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/02 01:25:06
At that moment,l saw the doctor was busy__his work.a.to dob.withc.didd.for

At that moment,l saw the doctor was busy__his work.a.to dob.withc.didd.for
At that moment,l saw the doctor was busy__his work.
a.to do
b.with
c.did
d.for

At that moment,l saw the doctor was busy__his work.a.to dob.withc.didd.for
with
be busy with sth.

be busy with sth 忙于....
综上,选B

with